Home / 9,789,948.63-13,510,354.12-5,379,948.45

Finding the Fourth Proportional to 9,789,948.63, 13,510,354.12 and 5,379,948.45

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Solution

The fourth proportional to 9,789,948.63, 13,510,354.12 and 5,379,948.45 is: 7,424,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,948.63 : 13,510,354.12 = 5,379,948.45 : x
  2. Step 2: Convert to fraction form
    9,789,948.63/13,510,354.12 = 5,379,948.45/x
  3. Step 3: Cross multiply
    9,789,948.63x = 13,510,354.12 × 5,379,948.45
  4. Step 4: Simplify right side
    9,789,948.63x = 72,685,008,706,845.11
  5. Step 5: Solve for x
    x = 72,685,008,706,845.11/9,789,948.63
  6. Step 6: Final answer
    x = 7,424,452.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.